N-(4-Ethoxyphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide CAS 333318-93-7
| CAS No. | 333318-93-7 |
| Molecular Formula | C22H25N3O3S2 |
| Molecular Weight | 443.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(4-Ethoxyphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide.
N-(4-Ethoxyphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 333318-93-7), molecular formula C22H25N3O3S2 and molecular weight 443.58 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-(4-Ethoxyphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (C22H25N3O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 443.58 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), N-(4-Ethoxyphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C22H25N3O3S2 |
| Molecular Weight | 443.58 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related N Standards
- N-(2-Ethoxyphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 587012-70-2)
- Methyl 4-(4-((2-ethoxyphenyl)carbamothioyl)piperazin-1-yl)-3-nitrobenzoate (CAS 882747-89-9)
- Methyl 5-((4-ethoxyphenyl)carbamoyl)-4-methyl-2-(thiophene-2-carboxamido)thiophene-3-carboxylate (CAS 506416-62-2)
- Ethyl 2-(2-((4-(4-ethoxyphenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamido)acetate (CAS 618432-49-8)
- 5-((2-Ethoxyphenyl)amino)-6-hydroxypyrimidin-4(3H)-one (CAS 89595-66-4)
- 2-((4-(4-Ethoxyphenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-1-(4-methoxyphenyl)ethanone (CAS 477329-43-4)
- 2-((4-(N-(4-ethoxyphenyl)sulfamoyl)phenyl)carbamoyl)benzoic acid (CAS 433315-09-4)
- 2-(4-Ethoxyphenyl)-4-oxo-4H-chromen-3-yl 4-fluorobenzenesulfonate (CAS 329777-52-8)
Recommended Standards
- Mebeverine EP Impurity O (CAS CATO-C4X-168713)
- N-(1-(naphthalen-1-yl)-3-oxo-3-(4-phenylpiperazin-1-yl)propyl)pivalamide (CAS 860610-21-5)
- Pemafibrate Impurity 87 (CAS CATO-C4X-290387)
- Ethyl 4-cyclopropyl-2-(2-(2-(isopropylthio)-1H-benzo[d]imidazol-1-yl)acetamido)thiophene-3-carboxylate (CAS 6607-35-8)
- (2,6-Diethyl-4-methylphenyl)boronic acid (CAS 953075-90-6)
- Zinc phosphide (CAS 1314-84-7)
- 3-(4-Aminophenyl)pyridine (CAS 82261-42-5)
- 1-Propanamine,3-(octyloxy)- (CAS 15930-66-2)
- 2-(Azidomethyl)naphthalene (CAS 164269-42-5)
- 3-(3-Bromophenyl)benzo[d]isoxazole (CAS 99763-25-4)
- Methyl 3-amino-6-benzyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-2-carboxylate hydrochloride (CAS 2007915-79-7)
- 3-((Cyclopropylmethyl)amino)phenol (CAS 1156280-00-0)
- 1-{4-[(2-chloro-1,3-thiazol-5-yl)methoxy]benzenesulfonyl}-4-(2,5-dimethylphenyl)piperazine (CAS 860784-39-0)
- Cholecystokinin Octapeptide (1-4) (desulfated) (CAS 80790-40-5)
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